Question

Answer 1

\(\left(4,5-2x\right).1\dfrac{4}{7}=\dfrac{11}{14}\)

\(\left(\dfrac{9}{2}-2x\right).\dfrac{11}{7}=\dfrac{11}{14}\)

\(\left(\dfrac{9}{2}-2x\right)\)        \(=\dfrac{11}{14}:\dfrac{11}{7}\)

\(\left(\dfrac{9}{2}-2x\right)\)        \(=\dfrac{11}{14}.\dfrac{7}{11}\)

\(\left(\dfrac{9}{2}-2x\right)\)        \(=\dfrac{1}{2}\)

           \(2x\)          \(=\dfrac{9}{2}-\dfrac{1}{2}\)

           \(2x\)          \(=4\)

             \(x\)          \(=4:2\)

             \(x\)          \(=2\)

Answer 2

 

 

Answer 3

( 4,5-2x ). 1\(\dfrac{4}{7}\)=\(\dfrac{11}{14}\)

4,5 - 2x = \(\dfrac{11}{14}\) : \(\dfrac{11}{7}\)

4,5 - 2x = \(\dfrac{1}{2}\)

2x = \(\dfrac{1}{2}\)+ 4,5

x = 5:2 = \(\dfrac{5}{2}\)

Answer 4

\(\left(4,5-2x\right).\dfrac{11}{7}=\dfrac{11}{14}\)

\(4,5-2x=\dfrac{11}{14}+\dfrac{11}{7}\)

\(4,5-2x=\dfrac{33}{14}\)

\(2x=4,5-\dfrac{33}{14}\)

\(2x=\dfrac{9}{2}-\dfrac{33}{14}\)

\(2x=\dfrac{15}{7}\)

\(x=\dfrac{15}{7}:2\)

\(x=\dfrac{15}{14}\)